[Digestion] Small Digester and Rankin Engine Questions

[Randy Mott]

We don't do projects in the US, but my understanding is that 500 cows is a
rule of thumb. I have some literature..

 

On Rankin cycle engines, we have followed it closely in Europe and the US.
There is about 15% more electricity that can come from the heat exhaust of
the initial generators. The capex is about 1250 Euro/kW. We don't have much
incentive to do it in Poland since we sell the heat and also obtain a
co-generation certificate for each MWe. 

 

GE Jenbacher is doing some development in Europe and eventually, I believe,
will be trying to offer this as an option on its generators.

 

Randy Mott

CEERES

Warsaw

 

 

From: digestion-bounces at lists.bioenergylists.org
[mailto:digestion-bounces at lists.bioenergylists.org] On Behalf Of Gould,
Merrill
Sent: Tuesday, January 11, 2011 6:08 PM
To: digestion at lists.bioenergylists.org
Subject: [Digestion] Small Digester and Rankine Engine Questions

 

Greetings:

 

I have two questions I am hoping someone has answers for:

1.       Are there small farms with digesters in the United States? When I
say small farm I don't mean 2-3 cows, I mean a farm with around 125 dairy
cows, which is the average herd size in Michigan. If so, where are they and
what has been their experience with their digester? I suspect there probably
are no small farms with digesters in the US, but I would really like to
know. I have had numerous inquiries from farmers with small farms in West
Michigan about putting in a digester on their farm. If my assumption is
correct that there are no small farms with digesters, are there farms with
comparable numbers of dairy cattle with digesters outside of the United
State? If so, where are they and what has their experience been with their
digester?

2.       Has anyone had experience using a Rankine engine as part of an
energy producing system?

 

Thanks in advance for any insight you can provide me.

 

Charles Gould

Michigan State University Extension

West Olive, Michigan

 

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.bioenergylists.org/pipermail/digestion_lists.bioenergylists.org/attachments/20110112/188bcf96/attachment.html>